“This Constitution, and the Laws of the United States which shall be made in Pursuance thereof; and all Treaties made, or which shall be made, under the Authority of the United States, shall be the supreme Law of the Land;”
Chapter 1, Article 2 of the UN Charter states:
3.All Members shall settle their international disputes by peaceful means in such a manner that international peace and security, and justice, are not endangered.
4.All Members shall refrain in their international relations from the threat or use of force against the territorial integrity or political independence of any state, or in any other manner inconsistent with the Purposes of the United Nations.